LICENSEWARE
Instructure Rule

The canvas-lms README states the AGPLv3 licence

Catalog row in Vendor License Rules · Cited

Kind
Use rights
Statement
README: Canvas is open source, developed and maintained by Instructure Inc., and released under the AGPLv3 license.
Applies when
Identifying the licence of the repository.
Applies to
Self-hosted Canvas LMS from the public repository
Esc